How much is the force of
friction between a wooden
block of mass 5 kg and the
horizontal marble floor? The
coefficient of friction between
wood and the marble is 0.6.
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Explanation:
Roads are easy to build and maintain as compare to railways.
Constructions cost of roads is much lower that of railway lines.
Roads as compare to railways lines can negotiate higher gradients of slopes easily and as such can traverse mountains like Himalayas.
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